Clean up header guards that don't match their file name

Header guard symbols should match their file name to make guard
collisions less likely.

Cleaned up with scripts/clean-header-guards.pl, followed by some
renaming of new guard symbols picked by the script to better ones.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20220506134911.2856099-2-armbru@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
[Change to generated file ebpf/rss.bpf.skeleton.h backed out]
diff --git a/tests/qtest/fuzz/fuzz.h b/tests/qtest/fuzz/fuzz.h
index c5f0b72..327c1c5 100644
--- a/tests/qtest/fuzz/fuzz.h
+++ b/tests/qtest/fuzz/fuzz.h
@@ -11,8 +11,8 @@
  *
  */
 
-#ifndef FUZZER_H_
-#define FUZZER_H_
+#ifndef QTEST_FUZZ_H
+#define QTEST_FUZZ_H
 
 #include "qemu/units.h"
 #include "qapi/error.h"
@@ -122,4 +122,3 @@
 int LLVMFuzzerInitialize(int *argc, char ***argv, char ***envp);
 
 #endif
-